twinge vs stab

twinge and stab both are nouns.

Word	Noun	Adjective	Verb	Adverb
twinge	Yes	No	Yes	No
stab	Yes	No	Yes	No

As nouns, twinge and stab are synonyms defined as:

Other synonyms of twinge include pang.

twinge (noun)	stab (noun)
a sharp stab of pain	a strong blow with a knife or other sharp pointed instrument
a sudden sharp feeling	informal words for any attempt or effort
	a sudden sharp feeling

twinge (verb)	stab (verb)
squeeze tightly between the fingers	stab or pierce
cause a stinging pain	poke or thrust abruptly
feel a sudden sharp, local pain	use a knife on